Back الختمى (نبات) Arabic Sigillaria CEB Sigillaria Spanish Sigillaria French Sigillaria GL Sigillaria Croatian Sigillaria Italian 시길라리아 Korean Sigillaria Dutch Sygilaria Polish
| Sigillaria | |
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| Bark fragment from Sigillaria mamillaris sp. Estonian Museum of Natural History, Tallinn, Estonia. | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Lycophytes |
| Class: | Lycopodiopsida |
| Order: | †Lepidodendrales |
| Family: | †Sigillariaceae |
| Genus: | †Sigillaria Brongniart (1822) |
Sigillaria is a genus of extinct, spore-bearing, arborescent lycophyte, known from the Carboniferous and Permian periods. It is related to the more famous Lepidodendron, and more distantly to modern quillworts.